大约有 46,000 项符合查询结果(耗时:0.0615秒) [XML]
What's valid and what's not in a URI query?
...
That a character is reserved within a generic URL component doesn't mean it must be escaped when it appears within the component or within data in the component. The character must also be defined as a delimiter within the generic or scheme-specific synta...
Nullable Foreign Key bad practice?
Let's say you have a table Orders with a foreign key to a Customer Id. Now, suppose you want to add an Order without a Customer Id, (whether that should be possible is another question) you would have to make the foreign key NULL... Is that bad practice or would you rather work with a link table bet...
Trying to start a service on boot on Android
...ing to start a service when a device boots up on android, but I cannot get it to work. I've looked at a number of links online but none of the code works. Am I forgetting something?
...
Status bar and navigation bar appear over my view's bounds in iOS 7
...hanges in view-controller layout, tint
color, and font affect all the UIKit objects in your app. In
addition, enhancements to gesture recognizer APIs give you finer
grained control over gesture interactions.
Using View Controllers
In iOS 7, view controllers use full-screen layout. A...
Fixing JavaScript Array functions in Internet Explorer (indexOf, forEach, etc.) [closed]
... elsewhere , and otherwise apparently well-known, Internet Explorer (definitely version 7, and in some instances, version 8) do not implement key functions, in particular on Array (such as forEach , indexOf , etc).
...
Can you define aliases for imported modules in Python?
In Python, is it possible to define an alias for an imported module?
5 Answers
5
...
How do you crash a JVM?
...interviewee, "How do you crash a JVM?" I thought that you could do so by writing an infinite for-loop that would eventually use up all the memory.
...
Check if a string is a date value
...
Would Date.parse() suffice?
See its relative MDN Documentation page.
share
|
improve this answer
|
follow
|
...
Mysql - How to quit/exit from stored procedure
I have very simple question but i did't get any simple code to exit from SP using Mysql.
Can anyone share with me how to do that?
...
What's the advantage of a Java enum versus a class with public static final fields?
I am very familiar with C# but starting to work more in Java. I expected to learn that enums in Java were basically equivalent to those in C# but apparently this is not the case. Initially I was excited to learn that Java enums could contain multiple pieces of data which seems very advantageous ( ht...